What is the effect of CO₂ from volcanic vents on some coral species?

They stop making skeletons and live without them.

They become extinct immediately.

What is the role of marine biologists in response to ocean acidification?

They will focus on terrestrial ecosystems.

What is the effect of upwelling seawater along the coast of Peru?

Cools and dries the coastal climate

Makes the coastal climate wetter

Why does upwelling pose a risk to marine life in these zones?

It brings cold water with dissolved carbonic acid to the surface.

It increases water temperature.

Where is surface acidification most pronounced on the map provided?

Along the western coasts of continents

Why is surface acidification more pronounced in certain areas on the map?

Due to increased carbon dioxide absorption

What is the relationship between water temperature and the solubility of CO₂?

Solubility decreases as temperature increases.

Solubility increases as temperature increases.

Solubility remains constant regardless of temperature.

Solubility is highest at moderate temperatures.

Why are colder waters more prone to acidification?

They hold more CO₂ in solution.

They hold less CO₂ in solution.

They have less dissolved oxygen.

Why is surface acidification more pronounced in certain regions according to the diagram?

Due to higher CO2 absorption in cooler waters

Due to lower CO2 absorption in warmer waters

Due to increased sunlight in polar regions

Due to higher salinity in tropical regions

Where is the ocean mostly more acidic according to the diagram?

Near the poles where it's colder

Near the equator where it's warmer

What is the relationship between temperature and CO2 dissolution in the ocean as shown in the diagram?

More CO2 dissolves in colder water

More CO2 dissolves in warmer water

Temperature does not affect CO2 dissolution

CO2 dissolves equally in all temperatures

What does the CMIP5 model projection for 2100 indicate about future acidification?

Acidification will be more severe in polar regions.

Acidification will be more severe in tropical regions.

Acidification will decrease globally.

Acidification will remain constant.

Why do deep sea animals get plenty of oxygen even without photosynthesis?

Because cold polar water carries lots of dissolved oxygen.

Because warm water carries lots of dissolved oxygen.

Because deep sea animals produce their own oxygen.

Because photosynthesis occurs in deep sea environments.

What happens to the gas molecules in water when it is cooled?

Less gas molecules are released.

More gas molecules are released.

Gas molecules disappear completely.

What is the effect of cooling water on the amount of gas in the solution?

There is more gas in the solution.

There is less gas in the solution.

The amount of gas remains unchanged.

What happens to gas molecules in a solution when the temperature is increased?

More gas molecules escape from the solution.

More gas molecules dissolve in the solution.

Gas molecules become more tightly packed.

Gas molecules become less energetic.

Why are coral formations in the deep sea often older than those in warm shallows?

They grow slowly in the deep sea

They grow faster in the deep sea

They are protected from predators

What happens to polar seawater as it becomes cold and salty?

It becomes less dense and rises.

Ocean Chemistry and Carbon Dioxide Absorption

Authored by Gail Hoffman

Science

University

NGSS covered

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Ocean Chemistry and Carbon Dioxide Absorption

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57 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when oceans absorb carbon dioxide from the atmosphere?

It creates carbonic acid in the waters.

It releases oxygen into the atmosphere.

It forms sulfuric acid in the waters.

It increases the ocean's temperature.

Tags

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which chemical reaction occurs when carbon dioxide and water combine in the ocean?

CO₂ + H₂O → H₂CO₃

CO₂ + O₂ → CO₃

H₂O + O₂ → H₂O₂

CO₂ + H₂ → CH₄

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does carbonic acid "steal" from marine organisms for their shells?

Calcium

Carbonate

Oxygen

Hydrogen

Tags

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical formula for carbonic acid?

H2O

CO2

H2CO3

HCO3-

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following marine organisms are affected by the reaction of carbonic acid with carbonate?

Sharks

Coral

Dolphins

Whales

Tags

NGSS.HS-LS2-5

NGSS.HS-LS2-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of injecting sulfur particles into the stratosphere according to the geo-engineering proposal?

To increase global warming

To reflect energy away and solve global warming

To enhance ocean acidification

To reduce atmospheric oxygen levels

Tags

NGSS.MS-ESS3-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a potential environmental concern related to the geo-engineering proposal mentioned?

Increased biodiversity

Ocean acidification

Enhanced plant growth

Decreased air pollution

Tags

NGSS.MS-LS2-5

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Ocean Chemistry and Carbon Dioxide Absorption

What happens when oceans absorb carbon dioxide from the atmosphere?

Which chemical reaction occurs when carbon dioxide and water combine in the ocean?

What does carbonic acid "steal" from marine organisms for their shells?

What is the chemical formula for carbonic acid?

Which of the following marine organisms are affected by the reaction of carbonic acid with carbonate?

What is the purpose of injecting sulfur particles into the stratosphere according to the geo-engineering proposal?

What is a potential environmental concern related to the geo-engineering proposal mentioned?

What is the effect of CO₂ from volcanic vents on some coral species?

How do some species of snails adapt to seawater with a pH as low as 7.2?

How might ocean acidification affect jellyfish and sea grasses?

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